Car seat back tablet holder



FIG. 1 is a front view of a car seat back tablet holder showing my new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof, the right side being a mirror image;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a perspective front view thereof.

The dashed lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a car seat back tablet holder, as shown and described. 